Cover for a computer



FIG. 1 is a front view of a cover for a computer showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right side view thereof, the left side being a mirror image thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM I claim the ornamental design for a cover for a computer, as shown and described. 